Home / 13,667,190.14-18,865,472.06-7,868,283.10

Finding the Fourth Proportional to 13,667,190.14, 18,865,472.06 and 7,868,283.10

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Solution

The fourth proportional to 13,667,190.14, 18,865,472.06 and 7,868,283.10 is: 10,860,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,190.14 : 18,865,472.06 = 7,868,283.10 : x
  2. Step 2: Convert to fraction form
    13,667,190.14/18,865,472.06 = 7,868,283.10/x
  3. Step 3: Cross multiply
    13,667,190.14x = 18,865,472.06 × 7,868,283.10
  4. Step 4: Simplify right side
    13,667,190.14x = 148,438,874,955,727.22
  5. Step 5: Solve for x
    x = 148,438,874,955,727.22/13,667,190.14
  6. Step 6: Final answer
    x = 10,860,965.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.